/*
 * *****************************************************************************
 * Copyright (C) 2014-2022 Dennis Sheirer
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 * ****************************************************************************
 */

package io.github.dsheirer.dsp.oscillator;

public class ScalarRealOscillator extends AbstractOscillator implements IRealOscillator
{
    /**
     * Constructs an instance
     *
     * @param frequency in hertz
     * @param sampleRate in hertz
     */
    public ScalarRealOscillator(double frequency, double sampleRate)
    {
        super(frequency, sampleRate);
    }

    @Override
    public float[] generate(int sampleCount)
    {
        float[] samples = new float[sampleCount];

        for(int samplePointer = 0; samplePointer < sampleCount; samplePointer++)
        {
            mCurrentPhase += mAnglePerSample;
            mCurrentPhase %= TWO_PI;
            samples[samplePointer] = (float)Math.sin(mCurrentPhase);
        }

        return samples;
    }
}
